`mhsa-external.com`

DNSSEC	⚠️ Not signed
NS	`ndh1-nmgt-ins2.mckesson.com` ⭐
		A	143.112.182.7^{🇺🇸 AS10599143.112.128.0/17}
			PTR	`ddcns2.mckesson.com`
			PTR	`extns01.mckesson.com`
			PTR	`ndh1-nmgt-ins2.mckesson.com`
NS	`ep1ns01.mckesson.com`
		A	198.51.44.5^{🇺🇸 NSONE198.51.44.0/24}
			PTR	`dns1.p05.nsone.net`
NS	`ep1ns02.mckesson.net`
		A	198.51.45.5^{🇺🇸 NSONE198.51.45.0/24}
			PTR	`dns2.p05.nsone.net`
NS	`ep1ns03.mckesson.org`
		A	198.51.44.69^{🇺🇸 NSONE198.51.44.0/24}
			PTR	`dns3.p05.nsone.net`
NS	`ep1ns04.mckesson.com`
		A	198.51.45.69^{🇺🇸 NSONE198.51.45.0/24}
			PTR	`dns4.p05.nsone.net`
NS	`ep2ns01.mckesson.com`
		A	2600:1800:5::1^{🇺🇸 Tiggee2600:1800:5::/48 DNS Made Easy anycast network}
			PTR	`ns5.dnsmadeeasy.com`
		A	208.94.148.13^{🇺🇸 Tiggee208.94.148.0/24 DNS Made Easy anycast network}
			PTR	`ns5.dnsmadeeasy.com`
NS	`ep2ns02.mckesson.net`
		A	2600:1801:6::1^{🇺🇸 Tiggee2600:1801:6::/48 DNS Made Easy anycast network}
			PTR	`ns6.dnsmadeeasy.com`
		A	208.80.124.13^{🇺🇸 Tiggee208.80.124.0/24 DNS Made Easy anycast network}
			PTR	`ns6.dnsmadeeasy.com`
NS	`ep2ns03.mckesson.org`
		A	2600:1802:7::1^{🇺🇸 Tiggee2600:1802:7::/48 DNS Made Easy anycast network}
			PTR	`ns7.dnsmadeeasy.com`
		A	208.80.126.13^{🇺🇸 Tiggee208.80.126.0/24 DNS Made Easy anycast network}
			PTR	`ns7.dnsmadeeasy.com`
SOA	`ndh1-nmgt-ins2.mckesson.com`noreply@mckesson.com serial=35

`com`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.gtld-servers.net` ⭐
	NS	`b.gtld-servers.net`
	NS	`c.gtld-servers.net`
	NS	`d.gtld-servers.net`
	NS	`e.gtld-servers.net`
	NS	`f.gtld-servers.net`
	NS	`g.gtld-servers.net`
	NS	`h.gtld-servers.net`
	NS	`i.gtld-servers.net`
	NS	`j.gtld-servers.net`
	NS	`k.gtld-servers.net`
	NS	`l.gtld-servers.net`
	NS	`m.gtld-servers.net`
	SOA	`a.gtld-servers.net`nstld@verisign-grs.com serial=1786512504

Same first word

mhsa-external.com

DNS History

15 records (8 active, 7 former)

○NSauth00.ns.uu.net2015-05-23 → 2016-09-22 · 4 obs

● 2015-05-23 05:19:44
● 2016-09-22 06:37:16
○ 2019-08-16 11:22:02
○ 2026-08-12 05:40:00

○NSauth100.ns.uu.net2015-05-23 → 2016-09-22 · 4 obs

● 2015-05-23 05:19:44
● 2016-09-22 06:37:16
○ 2019-08-16 11:22:02
○ 2026-08-12 05:40:00

○NSddc1-nmgt-ins.mckesson.com2015-05-23 → 2019-09-11 · 7 obs

● 2015-05-23 05:19:44
● 2016-09-22 06:37:16
○ 2019-08-16 11:22:02
● 2019-08-22 03:12:12
● 2019-09-11 04:29:30
○ 2019-10-24 04:38:14
○ 2026-08-12 05:40:00

●NSep1ns01.mckesson.com2019-08-16 → 2026-08-12 · 3 obs

○ 2016-09-22 06:37:16
● 2019-08-16 11:22:02
● 2026-08-12 05:40:00

●NSep1ns02.mckesson.net2019-08-16 → 2026-08-12 · 3 obs

○ 2016-09-22 06:37:16
● 2019-08-16 11:22:02
● 2026-08-12 05:40:00

●NSep1ns03.mckesson.org2019-08-16 → 2026-08-12 · 3 obs

○ 2016-09-22 06:37:16
● 2019-08-16 11:22:02
● 2026-08-12 05:40:00

●NSep1ns04.mckesson.com2019-08-16 → 2026-08-12 · 3 obs

○ 2016-09-22 06:37:16
● 2019-08-16 11:22:02
● 2026-08-12 05:40:00

●NSep2ns01.mckesson.com2019-08-16 → 2026-08-12 · 3 obs

○ 2016-09-22 06:37:16
● 2019-08-16 11:22:02
● 2026-08-12 05:40:00

●NSep2ns02.mckesson.net2019-08-16 → 2026-08-12 · 3 obs

○ 2016-09-22 06:37:16
● 2019-08-16 11:22:02
● 2026-08-12 05:40:00

●NSep2ns03.mckesson.org2019-08-16 → 2026-08-12 · 3 obs

○ 2016-09-22 06:37:16
● 2019-08-16 11:22:02
● 2026-08-12 05:40:00

○NSndh1-nmgt-ins.mckesson.com2019-08-16 → 2019-10-24 · 7 obs

○ 2016-09-22 06:37:16
● 2019-08-16 11:22:02
○ 2019-08-22 03:12:12
○ 2019-09-11 04:29:30
● 2019-10-24 04:38:14
○ 2026-07-31 17:17:54
○ 2026-08-12 05:40:00

●NSndh1-nmgt-ins2.mckesson.com2026-07-31 → 2026-08-12 · 3 obs

○ 2019-10-24 04:38:14
● 2026-07-31 17:17:54
● 2026-08-12 05:40:00

○NSns1-auth.sprintlink.net2015-05-23 → 2016-09-22 · 4 obs

● 2015-05-23 05:19:44
● 2016-09-22 06:37:16
○ 2019-08-16 11:22:02
○ 2026-08-12 05:40:00

○NSns2-auth.sprintlink.net2015-05-23 → 2016-09-22 · 4 obs

● 2015-05-23 05:19:44
● 2016-09-22 06:37:16
○ 2019-08-16 11:22:02
○ 2026-08-12 05:40:00

○NSns3-auth.sprintlink.net2015-05-23 → 2016-09-22 · 4 obs

● 2015-05-23 05:19:44
● 2016-09-22 06:37:16
○ 2019-08-16 11:22:02
○ 2026-08-12 05:40:00

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	d.gtld-servers.net, i.gtld-servers.net, l.gtld-servers.net, g.gtld-servers.net...	-
mhsa-external.com	ep1ns02.mckesson.net, ep2ns02.mckesson.net, ep1ns01.mckesson.com, ep1ns04.mckesson.com...	4 records

✅ Authoritative Response

Server:198.51.44.5

NS records: ep1ns02.mckesson.net, ep2ns02.mckesson.net, ep1ns01.mckesson.com, ep1ns04.mckesson.com, ep2ns01.mckesson.com, ep1ns03.mckesson.org, ep2ns03.mckesson.org

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for mhsa-external.com (unsigned zone)

⏱️ Timing

Total: 531ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	7	`ep2ns03.mckesson.org, ep2ns02.mckesson.net...`
SOA	1	`ndh1-nmgt-ins2.mckesson.com noreply.mcke`

📌 Glue Records Collected

Total: 4

Out-of-bailiwick: 4 (ep1ns01.mckesson.com, ep1ns04.mckesson.com, ep2ns01.mckesson.com...)

Analysis

Name Servers

DNS for mhsa-external.com is handled by 8 name servers: ep1ns01.mckesson.com, ep1ns04.mckesson.com, ep2ns01.mckesson.com and 5 others.

There is at least partial name server overlap between mhsa-external.com and other domains — mylungconsortium.org, rxownership.com, womeninrx.com and two more among them.

These name servers regularly appear alongside ep1ns02.mckesson.net, ep2ns02.mckesson.net, ep1ns03.mckesson.org and 7 other name servers in NS record sets.

Host names with two IP numbers:

ep2ns01.mckesson.com has two IP addresses: 208.94.148.13 and 2600:1800:5::1.

ep2ns02.mckesson.net has two IP addresses: 208.80.124.13 and 2600:1801:6::1.

ep2ns03.mckesson.org has two IP addresses: 208.80.126.13 and 2600:1802:7::1.

Host names pointing to a single IP address:

ep1ns01.mckesson.com directs to 198.51.44.5.

ep1ns04.mckesson.com directs to 198.51.45.69.

ndh1-nmgt-ins2.mckesson.com directs to 143.112.182.7.

ep1ns02.mckesson.net directs to 198.51.45.5.

ep1ns03.mckesson.org directs to 198.51.44.69.